Examples

The roar of the flames, the hissing of firebrands sucked upward, the crash of timbers, the shrieks of the foremen through their trumpets, the yells of applause or of sarcasm from the crowd, and the _thud, thud, thud, thud_ of numerous brake bars made a fine pandemonium.

And then all at once he uttered a gasp as he expired the breath he had held, and _thud, thud, thud, thud_, he felt his heart leap the pulsations keeping on now at a tremendous rate as they beat against his quivering breast.

Directly after, _thud, thud, thud_ came the sound of men dropping down into the inner cave, and in another moment there was a rude thrust from behind which drove Mike against Vince, and the two boys were forced onward through the opening to the outer cave, the man with the cutlass giving way sufficiently to let them enter, but presenting the point at